C＃删除一个文件夹以及该文件夹中的所有文件和文件夹

我正在尝试删除一个文件夹以及该文件夹中的所有文件和文件夹，我在使用下面的代码，但出现错误Folder is not empty，我可以做什么建议？

try
{
  var dir = new DirectoryInfo(@FolderPath);
  dir.Attributes = dir.Attributes & ~FileAttributes.ReadOnly;
  dir.Delete();
  dataGridView1.Rows.RemoveAt(dataGridView1.SelectedRows[i].Index);
}
catch (IOException ex)
{
  MessageBox.Show(ex.Message);
}

dir.Delete(true); // true => recursive delete

阅读手册：

Directory.Delete方法（字符串，布尔值）

Directory.Delete(folderPath, true);

尝试：

System.IO.Directory.Delete(path,true)

假定您有权这样做，这将递归删除“路径”下的所有文件和文件夹。

嗯，那只打电话Directory.Delete(path, true);呢？

该Directory.Delete方法具有递归布尔参数，它应该做你需要什么

您应该使用：

dir.Delete(true);

用于递归删除该文件夹的内容。请参见MSDN DirectoryInfo.Delete（）重载。

试试这个。

namespace EraseJunkFiles
{
    class Program
    {
        static void Main(string[] args)
        {
            DirectoryInfo yourRootDir = new DirectoryInfo(@"C:\somedirectory\");
            foreach (DirectoryInfo dir in yourRootDir.GetDirectories())
                    DeleteDirectory(dir.FullName, true);
        }
        public static void DeleteDirectory(string directoryName, bool checkDirectiryExist)
        {
            if (Directory.Exists(directoryName))
                Directory.Delete(directoryName, true);
            else if (checkDirectiryExist)
                throw new SystemException("Directory you want to delete is not exist");
        }
    }
}

public void Empty(System.IO.DirectoryInfo directory)
{
    try
    {
        logger.DebugFormat("Empty directory {0}", directory.FullName);
        foreach (System.IO.FileInfo file in directory.GetFiles()) file.Delete();
        foreach (System.IO.DirectoryInfo subDirectory in directory.GetDirectories()) subDirectory.Delete(true);
    }
    catch (Exception ex)
    {
        ex.Data.Add("directory", Convert.ToString(directory.FullName, CultureInfo.InvariantCulture));

        throw new Exception(string.Format(CultureInfo.InvariantCulture,"Method:{0}", ex.TargetSite), ex);
    }
}

试试这个：

foreach (string files in Directory.GetFiles(SourcePath))
{
   FileInfo fileInfo = new FileInfo(files);
   fileInfo.Delete(); //delete the files first. 
}
Directory.Delete(SourcePath);// delete the directory as it is empty now.

对于那些遇到DirectoryNotFoundException的用户，请添加以下检查：

if (Directory.Exists(path)) Directory.Delete(path, true);